Toplady at­tend­ed West­min­ster School, Lon­don, and Trin­i­ty Coll­ege, Dub­lin. He was or­dained an Ang­li­can priest in 1762, and served as Cur­ate at Blag­don and Far­leigh. In 1766, he be­came Vi­car of Broad­hem­bu­ry, De­von­shire. He left the Ang­li­can church in 1775, moved to Lon­don, and be­gan preach­ing at the French Cal­vin­ist church in Lei­ces­ter Fields. His works in­clude:

The Doctrine of Ab­so­lute Pre­des­tin­a­tion Stat­ed and As­sert­ed, 1769

Historic Proof of the Doc­trin­al Cal­vin­ism of the Church of Eng­land, 1774

The Church of Eng­land Vin­di­cat­ed from the Charge of Armin­i­an­ism, 1774